第三，消费者异质性表明不同消费者购买新产品时的时间存在系统性差异，这种

Third, consumers heterogeneity indicate the presence of a systematic difference in time at different consumers to buy new products, this has led to differences in time to buy a new product time to detonate the spread of uncertainty.

Third, the heterogeneity of consumers indicates that there are systematic differences in the time at which different consumers buy new products, and the difference in the timing of such purchases leads to uncertainty at the moment when new products are detonated and spread.

Third, the heterogeneity of consumers indicates that there are systematic differences in the time when different consumers purchase new products, which leads to uncertainty in the time when new products are ignited and spread.